Contact reading image sensor with a rod lens array

Details Contact reading image sensor with a rod lens array Contact reading image sensor with a rod lens array

1990-04-16

1991-08-06

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

358484, H01J 4014

Patent

active

050380273

ABSTRACT:
An image sensor includes a rod lens array. The rod lens array includes a plurality of rod lenses which are placed within a frame. The frame has an engagement part to secure it to a housing of the image sensor. The engagement part can be a groove in the frame which is secured to the housing by a ridge in the housing. In an alternative, the engagement part can be flanges on the frame which are engaged with shoulders in the housing. No adjusting mechanism for the array such as an adjustment screw, is needed.

REFERENCES:
patent: 3658407 (1972-04-01), Kitano et al.
patent: 3977777 (1976-08-01), Tanaka et al.
patent: 4331380 (1982-05-01), Rees et al.
patent: 4623937 (1986-11-01), Watanabe
patent: 4682042 (1987-07-01), Igarashi
O plus E, pp. 117 to 121, Application of Micro-Optics to Facsimile, Komiya, Jan. 1984.
O plus E, pp. 67 to 73, Graded-Index Rod Lens of Low Aberration Yamagishi, Jan. 1984.
Nihon Itagarasu K. K. Technical Papers: Selfoc Lens Array, Oct. 1987.

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